Check all that apply.
x2 + 4x - 9 = 5x + 3

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Solving algebraic equations 2m+3=11

What is the equation for the line that passes through the points (-6,4) and (-2,9) answer in point slope form